Home / 179,612.24-247,860-99,038.30

Finding the Fourth Proportional to 179,612.24, 247,860 and 99,038.30

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Solution

The fourth proportional to 179,612.24, 247,860 and 99,038.30 is: 136,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,612.24 : 247,860 = 99,038.30 : x
  2. Step 2: Convert to fraction form
    179,612.24/247,860 = 99,038.30/x
  3. Step 3: Cross multiply
    179,612.24x = 247,860 × 99,038.30
  4. Step 4: Simplify right side
    179,612.24x = 24,547,631,798.70
  5. Step 5: Solve for x
    x = 24,547,631,798.70/179,612.24
  6. Step 6: Final answer
    x = 136,670.15

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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.