Home / 119,475.08-164,875.66-65,759.72

Finding the Fourth Proportional to 119,475.08, 164,875.66 and 65,759.72

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Solution

The fourth proportional to 119,475.08, 164,875.66 and 65,759.72 is: 90,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,475.08 : 164,875.66 = 65,759.72 : x
  2. Step 2: Convert to fraction form
    119,475.08/164,875.66 = 65,759.72/x
  3. Step 3: Cross multiply
    119,475.08x = 164,875.66 × 65,759.72
  4. Step 4: Simplify right side
    119,475.08x = 10,842,176,247.64
  5. Step 5: Solve for x
    x = 10,842,176,247.64/119,475.08
  6. Step 6: Final answer
    x = 90,748.43

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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.