Home / 156,870.08-216,477.88-85,250.36

Finding the Fourth Proportional to 156,870.08, 216,477.88 and 85,250.36

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Solution

The fourth proportional to 156,870.08, 216,477.88 and 85,250.36 is: 117,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870.08 : 216,477.88 = 85,250.36 : x
  2. Step 2: Convert to fraction form
    156,870.08/216,477.88 = 85,250.36/x
  3. Step 3: Cross multiply
    156,870.08x = 216,477.88 × 85,250.36
  4. Step 4: Simplify right side
    156,870.08x = 18,454,817,202.04
  5. Step 5: Solve for x
    x = 18,454,817,202.04/156,870.08
  6. Step 6: Final answer
    x = 117,643.96

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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.