Home / 107,438.02-148,255.80-62,118.94

Finding the Fourth Proportional to 107,438.02, 148,255.80 and 62,118.94

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Solution

The fourth proportional to 107,438.02, 148,255.80 and 62,118.94 is: 85,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,438.02 : 148,255.80 = 62,118.94 : x
  2. Step 2: Convert to fraction form
    107,438.02/148,255.80 = 62,118.94/x
  3. Step 3: Cross multiply
    107,438.02x = 148,255.80 × 62,118.94
  4. Step 4: Simplify right side
    107,438.02x = 9,209,493,144.85
  5. Step 5: Solve for x
    x = 9,209,493,144.85/107,438.02
  6. Step 6: Final answer
    x = 85,719.13

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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.