Home / 261,603.28-361,001.64-148,432.24

Finding the Fourth Proportional to 261,603.28, 361,001.64 and 148,432.24

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Solution

The fourth proportional to 261,603.28, 361,001.64 and 148,432.24 is: 204,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,603.28 : 361,001.64 = 148,432.24 : x
  2. Step 2: Convert to fraction form
    261,603.28/361,001.64 = 148,432.24/x
  3. Step 3: Cross multiply
    261,603.28x = 361,001.64 × 148,432.24
  4. Step 4: Simplify right side
    261,603.28x = 53,584,282,068.87
  5. Step 5: Solve for x
    x = 53,584,282,068.87/261,603.28
  6. Step 6: Final answer
    x = 204,830.31

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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.