Home / 186,172.04-256,918.02-101,289.08

Finding the Fourth Proportional to 186,172.04, 256,918.02 and 101,289.08

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Solution

The fourth proportional to 186,172.04, 256,918.02 and 101,289.08 is: 139,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,172.04 : 256,918.02 = 101,289.08 : x
  2. Step 2: Convert to fraction form
    186,172.04/256,918.02 = 101,289.08/x
  3. Step 3: Cross multiply
    186,172.04x = 256,918.02 × 101,289.08
  4. Step 4: Simplify right side
    186,172.04x = 26,022,989,881.22
  5. Step 5: Solve for x
    x = 26,022,989,881.22/186,172.04
  6. Step 6: Final answer
    x = 139,779.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.