Home / 118,426.66-163,429.22-64,711.68

Finding the Fourth Proportional to 118,426.66, 163,429.22 and 64,711.68

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Solution

The fourth proportional to 118,426.66, 163,429.22 and 64,711.68 is: 89,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,426.66 : 163,429.22 = 64,711.68 : x
  2. Step 2: Convert to fraction form
    118,426.66/163,429.22 = 64,711.68/x
  3. Step 3: Cross multiply
    118,426.66x = 163,429.22 × 64,711.68
  4. Step 4: Simplify right side
    118,426.66x = 10,575,779,488.40
  5. Step 5: Solve for x
    x = 10,575,779,488.40/118,426.66
  6. Step 6: Final answer
    x = 89,302.35

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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.