Home / 186,108.45-256,817.02-101,223.69

Finding the Fourth Proportional to 186,108.45, 256,817.02 and 101,223.69

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Solution

The fourth proportional to 186,108.45, 256,817.02 and 101,223.69 is: 139,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,108.45 : 256,817.02 = 101,223.69 : x
  2. Step 2: Convert to fraction form
    186,108.45/256,817.02 = 101,223.69/x
  3. Step 3: Cross multiply
    186,108.45x = 256,817.02 × 101,223.69
  4. Step 4: Simplify right side
    186,108.45x = 25,995,966,419.20
  5. Step 5: Solve for x
    x = 25,995,966,419.20/186,108.45
  6. Step 6: Final answer
    x = 139,681.82

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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.