Home / 186,272.02-257,090.82-105,707.05

Finding the Fourth Proportional to 186,272.02, 257,090.82 and 105,707.05

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Solution

The fourth proportional to 186,272.02, 257,090.82 and 105,707.05 is: 145,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.02 : 257,090.82 = 105,707.05 : x
  2. Step 2: Convert to fraction form
    186,272.02/257,090.82 = 105,707.05/x
  3. Step 3: Cross multiply
    186,272.02x = 257,090.82 × 105,707.05
  4. Step 4: Simplify right side
    186,272.02x = 27,176,312,164.28
  5. Step 5: Solve for x
    x = 27,176,312,164.28/186,272.02
  6. Step 6: Final answer
    x = 145,895.84

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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.