Home / 175,827.08-242,636.32-103,228.76

Finding the Fourth Proportional to 175,827.08, 242,636.32 and 103,228.76

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Solution

The fourth proportional to 175,827.08, 242,636.32 and 103,228.76 is: 142,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,827.08 : 242,636.32 = 103,228.76 : x
  2. Step 2: Convert to fraction form
    175,827.08/242,636.32 = 103,228.76/x
  3. Step 3: Cross multiply
    175,827.08x = 242,636.32 × 103,228.76
  4. Step 4: Simplify right side
    175,827.08x = 25,047,046,444.56
  5. Step 5: Solve for x
    x = 25,047,046,444.56/175,827.08
  6. Step 6: Final answer
    x = 142,452.72

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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.