Home / 157,008.36-216,666.90-89,031.54

Finding the Fourth Proportional to 157,008.36, 216,666.90 and 89,031.54

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Solution

The fourth proportional to 157,008.36, 216,666.90 and 89,031.54 is: 122,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,008.36 : 216,666.90 = 89,031.54 : x
  2. Step 2: Convert to fraction form
    157,008.36/216,666.90 = 89,031.54/x
  3. Step 3: Cross multiply
    157,008.36x = 216,666.90 × 89,031.54
  4. Step 4: Simplify right side
    157,008.36x = 19,290,187,774.03
  5. Step 5: Solve for x
    x = 19,290,187,774.03/157,008.36
  6. Step 6: Final answer
    x = 122,860.90

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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.