Home / 157,014.60-216,673.95-85,394.53

Finding the Fourth Proportional to 157,014.60, 216,673.95 and 85,394.53

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Solution

The fourth proportional to 157,014.60, 216,673.95 and 85,394.53 is: 117,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,014.60 : 216,673.95 = 85,394.53 : x
  2. Step 2: Convert to fraction form
    157,014.60/216,673.95 = 85,394.53/x
  3. Step 3: Cross multiply
    157,014.60x = 216,673.95 × 85,394.53
  4. Step 4: Simplify right side
    157,014.60x = 18,502,770,123.49
  5. Step 5: Solve for x
    x = 18,502,770,123.49/157,014.60
  6. Step 6: Final answer
    x = 117,841.08

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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.