Home / 130,058.76-179,500.16-76,373.18

Finding the Fourth Proportional to 130,058.76, 179,500.16 and 76,373.18

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Solution

The fourth proportional to 130,058.76, 179,500.16 and 76,373.18 is: 105,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,058.76 : 179,500.16 = 76,373.18 : x
  2. Step 2: Convert to fraction form
    130,058.76/179,500.16 = 76,373.18/x
  3. Step 3: Cross multiply
    130,058.76x = 179,500.16 × 76,373.18
  4. Step 4: Simplify right side
    130,058.76x = 13,708,998,029.71
  5. Step 5: Solve for x
    x = 13,708,998,029.71/130,058.76
  6. Step 6: Final answer
    x = 105,406.19

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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.