Home / 118,542.48-163,633.33-70,778.40

Finding the Fourth Proportional to 118,542.48, 163,633.33 and 70,778.40

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Solution

The fourth proportional to 118,542.48, 163,633.33 and 70,778.40 is: 97,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,542.48 : 163,633.33 = 70,778.40 : x
  2. Step 2: Convert to fraction form
    118,542.48/163,633.33 = 70,778.40/x
  3. Step 3: Cross multiply
    118,542.48x = 163,633.33 × 70,778.40
  4. Step 4: Simplify right side
    118,542.48x = 11,581,705,284.07
  5. Step 5: Solve for x
    x = 11,581,705,284.07/118,542.48
  6. Step 6: Final answer
    x = 97,700.89

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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.