Home / 125,298.38-187,948.20-31,804.16

Finding the Fourth Proportional to 125,298.38, 187,948.20 and 31,804.16

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Solution

The fourth proportional to 125,298.38, 187,948.20 and 31,804.16 is: 47,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298.38 : 187,948.20 = 31,804.16 : x
  2. Step 2: Convert to fraction form
    125,298.38/187,948.20 = 31,804.16/x
  3. Step 3: Cross multiply
    125,298.38x = 187,948.20 × 31,804.16
  4. Step 4: Simplify right side
    125,298.38x = 5,977,534,624.51
  5. Step 5: Solve for x
    x = 5,977,534,624.51/125,298.38
  6. Step 6: Final answer
    x = 47,706.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.