Home / 160,897.18-222,020.31-89,259.34

Finding the Fourth Proportional to 160,897.18, 222,020.31 and 89,259.34

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Solution

The fourth proportional to 160,897.18, 222,020.31 and 89,259.34 is: 123,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,897.18 : 222,020.31 = 89,259.34 : x
  2. Step 2: Convert to fraction form
    160,897.18/222,020.31 = 89,259.34/x
  3. Step 3: Cross multiply
    160,897.18x = 222,020.31 × 89,259.34
  4. Step 4: Simplify right side
    160,897.18x = 19,817,386,337.20
  5. Step 5: Solve for x
    x = 19,817,386,337.20/160,897.18
  6. Step 6: Final answer
    x = 123,168.02

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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.