Home / 162,531.15-224,280.81-90,897.33

Finding the Fourth Proportional to 162,531.15, 224,280.81 and 90,897.33

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Solution

The fourth proportional to 162,531.15, 224,280.81 and 90,897.33 is: 125,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,531.15 : 224,280.81 = 90,897.33 : x
  2. Step 2: Convert to fraction form
    162,531.15/224,280.81 = 90,897.33/x
  3. Step 3: Cross multiply
    162,531.15x = 224,280.81 × 90,897.33
  4. Step 4: Simplify right side
    162,531.15x = 20,386,526,799.24
  5. Step 5: Solve for x
    x = 20,386,526,799.24/162,531.15
  6. Step 6: Final answer
    x = 125,431.51

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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.