Home / 156,153.86-215,492.28-84,533.83

Finding the Fourth Proportional to 156,153.86, 215,492.28 and 84,533.83

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Solution

The fourth proportional to 156,153.86, 215,492.28 and 84,533.83 is: 116,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.86 : 215,492.28 = 84,533.83 : x
  2. Step 2: Convert to fraction form
    156,153.86/215,492.28 = 84,533.83/x
  3. Step 3: Cross multiply
    156,153.86x = 215,492.28 × 84,533.83
  4. Step 4: Simplify right side
    156,153.86x = 18,216,387,763.83
  5. Step 5: Solve for x
    x = 18,216,387,763.83/156,153.86
  6. Step 6: Final answer
    x = 116,656.66

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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.