Home / 162,557.39-224,329.53-90,938.61

Finding the Fourth Proportional to 162,557.39, 224,329.53 and 90,938.61

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Solution

The fourth proportional to 162,557.39, 224,329.53 and 90,938.61 is: 125,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,557.39 : 224,329.53 = 90,938.61 : x
  2. Step 2: Convert to fraction form
    162,557.39/224,329.53 = 90,938.61/x
  3. Step 3: Cross multiply
    162,557.39x = 224,329.53 × 90,938.61
  4. Step 4: Simplify right side
    162,557.39x = 20,400,214,851.98
  5. Step 5: Solve for x
    x = 20,400,214,851.98/162,557.39
  6. Step 6: Final answer
    x = 125,495.46

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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.