Home / 186,011.04-256,697.84-101,128.16

Finding the Fourth Proportional to 186,011.04, 256,697.84 and 101,128.16

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Solution

The fourth proportional to 186,011.04, 256,697.84 and 101,128.16 is: 139,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,011.04 : 256,697.84 = 101,128.16 : x
  2. Step 2: Convert to fraction form
    186,011.04/256,697.84 = 101,128.16/x
  3. Step 3: Cross multiply
    186,011.04x = 256,697.84 × 101,128.16
  4. Step 4: Simplify right side
    186,011.04x = 25,959,380,235.17
  5. Step 5: Solve for x
    x = 25,959,380,235.17/186,011.04
  6. Step 6: Final answer
    x = 139,558.28

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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.