Home / 156,878.46-216,500.58-88,908.66

Finding the Fourth Proportional to 156,878.46, 216,500.58 and 88,908.66

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Solution

The fourth proportional to 156,878.46, 216,500.58 and 88,908.66 is: 122,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,878.46 : 216,500.58 = 88,908.66 : x
  2. Step 2: Convert to fraction form
    156,878.46/216,500.58 = 88,908.66/x
  3. Step 3: Cross multiply
    156,878.46x = 216,500.58 × 88,908.66
  4. Step 4: Simplify right side
    156,878.46x = 19,248,776,457.02
  5. Step 5: Solve for x
    x = 19,248,776,457.02/156,878.46
  6. Step 6: Final answer
    x = 122,698.66

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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.