Home / 162,849.13-224,729.17-91,228.93

Finding the Fourth Proportional to 162,849.13, 224,729.17 and 91,228.93

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Solution

The fourth proportional to 162,849.13, 224,729.17 and 91,228.93 is: 125,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,849.13 : 224,729.17 = 91,228.93 : x
  2. Step 2: Convert to fraction form
    162,849.13/224,729.17 = 91,228.93/x
  3. Step 3: Cross multiply
    162,849.13x = 224,729.17 × 91,228.93
  4. Step 4: Simplify right side
    162,849.13x = 20,501,801,718.89
  5. Step 5: Solve for x
    x = 20,501,801,718.89/162,849.13
  6. Step 6: Final answer
    x = 125,894.45

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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.