Home / 224,860.10-310,307.75-122,885.61

Finding the Fourth Proportional to 224,860.10, 310,307.75 and 122,885.61

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Solution

The fourth proportional to 224,860.10, 310,307.75 and 122,885.61 is: 169,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,860.10 : 310,307.75 = 122,885.61 : x
  2. Step 2: Convert to fraction form
    224,860.10/310,307.75 = 122,885.61/x
  3. Step 3: Cross multiply
    224,860.10x = 310,307.75 × 122,885.61
  4. Step 4: Simplify right side
    224,860.10x = 38,132,357,146.48
  5. Step 5: Solve for x
    x = 38,132,357,146.48/224,860.10
  6. Step 6: Final answer
    x = 169,582.59

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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.