Home / 155,658.15-233,337.78-99,339.26

Finding the Fourth Proportional to 155,658.15, 233,337.78 and 99,339.26

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Solution

The fourth proportional to 155,658.15, 233,337.78 and 99,339.26 is: 148,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,658.15 : 233,337.78 = 99,339.26 : x
  2. Step 2: Convert to fraction form
    155,658.15/233,337.78 = 99,339.26/x
  3. Step 3: Cross multiply
    155,658.15x = 233,337.78 × 99,339.26
  4. Step 4: Simplify right side
    155,658.15x = 23,179,601,228.55
  5. Step 5: Solve for x
    x = 23,179,601,228.55/155,658.15
  6. Step 6: Final answer
    x = 148,913.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.