Home / 156,210.98-234,319.38-56,378.66

Finding the Fourth Proportional to 156,210.98, 234,319.38 and 56,378.66

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Solution

The fourth proportional to 156,210.98, 234,319.38 and 56,378.66 is: 84,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,210.98 : 234,319.38 = 56,378.66 : x
  2. Step 2: Convert to fraction form
    156,210.98/234,319.38 = 56,378.66/x
  3. Step 3: Cross multiply
    156,210.98x = 234,319.38 × 56,378.66
  4. Step 4: Simplify right side
    156,210.98x = 13,210,612,656.43
  5. Step 5: Solve for x
    x = 13,210,612,656.43/156,210.98
  6. Step 6: Final answer
    x = 84,569.04

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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.