Home / 130,100.19-179,535.92-73,510.35

Finding the Fourth Proportional to 130,100.19, 179,535.92 and 73,510.35

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Solution

The fourth proportional to 130,100.19, 179,535.92 and 73,510.35 is: 101,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,100.19 : 179,535.92 = 73,510.35 : x
  2. Step 2: Convert to fraction form
    130,100.19/179,535.92 = 73,510.35/x
  3. Step 3: Cross multiply
    130,100.19x = 179,535.92 × 73,510.35
  4. Step 4: Simplify right side
    130,100.19x = 13,197,748,316.77
  5. Step 5: Solve for x
    x = 13,197,748,316.77/130,100.19
  6. Step 6: Final answer
    x = 101,442.96

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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.