Home / 130,017.52-179,410.98-73,417.96

Finding the Fourth Proportional to 130,017.52, 179,410.98 and 73,417.96

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Solution

The fourth proportional to 130,017.52, 179,410.98 and 73,417.96 is: 101,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,017.52 : 179,410.98 = 73,417.96 : x
  2. Step 2: Convert to fraction form
    130,017.52/179,410.98 = 73,417.96/x
  3. Step 3: Cross multiply
    130,017.52x = 179,410.98 × 73,417.96
  4. Step 4: Simplify right side
    130,017.52x = 13,171,988,153.20
  5. Step 5: Solve for x
    x = 13,171,988,153.20/130,017.52
  6. Step 6: Final answer
    x = 101,309.33

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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.