Home / 156,730.30-235,095.45-77,998.30

Finding the Fourth Proportional to 156,730.30, 235,095.45 and 77,998.30

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Solution

The fourth proportional to 156,730.30, 235,095.45 and 77,998.30 is: 116,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,730.30 : 235,095.45 = 77,998.30 : x
  2. Step 2: Convert to fraction form
    156,730.30/235,095.45 = 77,998.30/x
  3. Step 3: Cross multiply
    156,730.30x = 235,095.45 × 77,998.30
  4. Step 4: Simplify right side
    156,730.30x = 18,337,045,437.74
  5. Step 5: Solve for x
    x = 18,337,045,437.74/156,730.30
  6. Step 6: Final answer
    x = 116,997.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.