Home / 107,368.16-148,144.20-64,925.80

Finding the Fourth Proportional to 107,368.16, 148,144.20 and 64,925.80

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Solution

The fourth proportional to 107,368.16, 148,144.20 and 64,925.80 is: 89,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.16 : 148,144.20 = 64,925.80 : x
  2. Step 2: Convert to fraction form
    107,368.16/148,144.20 = 64,925.80/x
  3. Step 3: Cross multiply
    107,368.16x = 148,144.20 × 64,925.80
  4. Step 4: Simplify right side
    107,368.16x = 9,618,380,700.36
  5. Step 5: Solve for x
    x = 9,618,380,700.36/107,368.16
  6. Step 6: Final answer
    x = 89,583.18

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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.