Home / 186,127.16-256,901.10-105,601.82

Finding the Fourth Proportional to 186,127.16, 256,901.10 and 105,601.82

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Solution

The fourth proportional to 186,127.16, 256,901.10 and 105,601.82 is: 145,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,127.16 : 256,901.10 = 105,601.82 : x
  2. Step 2: Convert to fraction form
    186,127.16/256,901.10 = 105,601.82/x
  3. Step 3: Cross multiply
    186,127.16x = 256,901.10 × 105,601.82
  4. Step 4: Simplify right side
    186,127.16x = 27,129,223,720.00
  5. Step 5: Solve for x
    x = 27,129,223,720.00/186,127.16
  6. Step 6: Final answer
    x = 145,756.39

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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.