Home / 157,007.83-216,666.19-89,031.01

Finding the Fourth Proportional to 157,007.83, 216,666.19 and 89,031.01

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Solution

The fourth proportional to 157,007.83, 216,666.19 and 89,031.01 is: 122,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,007.83 : 216,666.19 = 89,031.01 : x
  2. Step 2: Convert to fraction form
    157,007.83/216,666.19 = 89,031.01/x
  3. Step 3: Cross multiply
    157,007.83x = 216,666.19 × 89,031.01
  4. Step 4: Simplify right side
    157,007.83x = 19,290,009,728.55
  5. Step 5: Solve for x
    x = 19,290,009,728.55/157,007.83
  6. Step 6: Final answer
    x = 122,860.18

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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.