Home / 157,002.02-216,656.75-85,382.13

Finding the Fourth Proportional to 157,002.02, 216,656.75 and 85,382.13

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Solution

The fourth proportional to 157,002.02, 216,656.75 and 85,382.13 is: 117,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,002.02 : 216,656.75 = 85,382.13 : x
  2. Step 2: Convert to fraction form
    157,002.02/216,656.75 = 85,382.13/x
  3. Step 3: Cross multiply
    157,002.02x = 216,656.75 × 85,382.13
  4. Step 4: Simplify right side
    157,002.02x = 18,498,615,007.33
  5. Step 5: Solve for x
    x = 18,498,615,007.33/157,002.02
  6. Step 6: Final answer
    x = 117,824.06

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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.