Home / 185,598.08-256,126.02-100,715.16

Finding the Fourth Proportional to 185,598.08, 256,126.02 and 100,715.16

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Solution

The fourth proportional to 185,598.08, 256,126.02 and 100,715.16 is: 138,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,598.08 : 256,126.02 = 100,715.16 : x
  2. Step 2: Convert to fraction form
    185,598.08/256,126.02 = 100,715.16/x
  3. Step 3: Cross multiply
    185,598.08x = 256,126.02 × 100,715.16
  4. Step 4: Simplify right side
    185,598.08x = 25,795,773,084.46
  5. Step 5: Solve for x
    x = 25,795,773,084.46/185,598.08
  6. Step 6: Final answer
    x = 138,987.28

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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.