Home / 156,153.81-215,492.95-84,533.83

Finding the Fourth Proportional to 156,153.81, 215,492.95 and 84,533.83

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Solution

The fourth proportional to 156,153.81, 215,492.95 and 84,533.83 is: 116,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.81 : 215,492.95 = 84,533.83 : x
  2. Step 2: Convert to fraction form
    156,153.81/215,492.95 = 84,533.83/x
  3. Step 3: Cross multiply
    156,153.81x = 215,492.95 × 84,533.83
  4. Step 4: Simplify right side
    156,153.81x = 18,216,444,074.10
  5. Step 5: Solve for x
    x = 18,216,444,074.10/156,153.81
  6. Step 6: Final answer
    x = 116,657.06

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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.