Home / 156,870.45-216,482.59-85,250.46

Finding the Fourth Proportional to 156,870.45, 216,482.59 and 85,250.46

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Solution

The fourth proportional to 156,870.45, 216,482.59 and 85,250.46 is: 117,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870.45 : 216,482.59 = 85,250.46 : x
  2. Step 2: Convert to fraction form
    156,870.45/216,482.59 = 85,250.46/x
  3. Step 3: Cross multiply
    156,870.45x = 216,482.59 × 85,250.46
  4. Step 4: Simplify right side
    156,870.45x = 18,455,240,707.57
  5. Step 5: Solve for x
    x = 18,455,240,707.57/156,870.45
  6. Step 6: Final answer
    x = 117,646.38

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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.