Home / 175,715.57-242,477.88-103,108.69

Finding the Fourth Proportional to 175,715.57, 242,477.88 and 103,108.69

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Solution

The fourth proportional to 175,715.57, 242,477.88 and 103,108.69 is: 142,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,715.57 : 242,477.88 = 103,108.69 : x
  2. Step 2: Convert to fraction form
    175,715.57/242,477.88 = 103,108.69/x
  3. Step 3: Cross multiply
    175,715.57x = 242,477.88 × 103,108.69
  4. Step 4: Simplify right side
    175,715.57x = 25,001,575,348.39
  5. Step 5: Solve for x
    x = 25,001,575,348.39/175,715.57
  6. Step 6: Final answer
    x = 142,284.35

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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.