Home / 125,152.16-187,726.53-30,383.07

Finding the Fourth Proportional to 125,152.16, 187,726.53 and 30,383.07

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Solution

The fourth proportional to 125,152.16, 187,726.53 and 30,383.07 is: 45,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,152.16 : 187,726.53 = 30,383.07 : x
  2. Step 2: Convert to fraction form
    125,152.16/187,726.53 = 30,383.07/x
  3. Step 3: Cross multiply
    125,152.16x = 187,726.53 × 30,383.07
  4. Step 4: Simplify right side
    125,152.16x = 5,703,708,301.85
  5. Step 5: Solve for x
    x = 5,703,708,301.85/125,152.16
  6. Step 6: Final answer
    x = 45,574.19

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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.