Home / 175,678.87-242,845.43-156,746.29

Finding the Fourth Proportional to 175,678.87, 242,845.43 and 156,746.29

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Solution

The fourth proportional to 175,678.87, 242,845.43 and 156,746.29 is: 216,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,678.87 : 242,845.43 = 156,746.29 : x
  2. Step 2: Convert to fraction form
    175,678.87/242,845.43 = 156,746.29/x
  3. Step 3: Cross multiply
    175,678.87x = 242,845.43 × 156,746.29
  4. Step 4: Simplify right side
    175,678.87x = 38,065,118,198.00
  5. Step 5: Solve for x
    x = 38,065,118,198.00/175,678.87
  6. Step 6: Final answer
    x = 216,674.43

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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.