Home / 144,799.04-216,208.14-129,708.74

Finding the Fourth Proportional to 144,799.04, 216,208.14 and 129,708.74

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Solution

The fourth proportional to 144,799.04, 216,208.14 and 129,708.74 is: 193,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,799.04 : 216,208.14 = 129,708.74 : x
  2. Step 2: Convert to fraction form
    144,799.04/216,208.14 = 129,708.74/x
  3. Step 3: Cross multiply
    144,799.04x = 216,208.14 × 129,708.74
  4. Step 4: Simplify right side
    144,799.04x = 28,044,085,417.14
  5. Step 5: Solve for x
    x = 28,044,085,417.14/144,799.04
  6. Step 6: Final answer
    x = 193,675.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.