Home / 145,089.92-200,307.40-96,679.08

Finding the Fourth Proportional to 145,089.92, 200,307.40 and 96,679.08

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Solution

The fourth proportional to 145,089.92, 200,307.40 and 96,679.08 is: 133,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,089.92 : 200,307.40 = 96,679.08 : x
  2. Step 2: Convert to fraction form
    145,089.92/200,307.40 = 96,679.08/x
  3. Step 3: Cross multiply
    145,089.92x = 200,307.40 × 96,679.08
  4. Step 4: Simplify right side
    145,089.92x = 19,365,535,149.19
  5. Step 5: Solve for x
    x = 19,365,535,149.19/145,089.92
  6. Step 6: Final answer
    x = 133,472.64

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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.