Home / 152,957.86-211,022.90-112,767.18

Finding the Fourth Proportional to 152,957.86, 211,022.90 and 112,767.18

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Solution

The fourth proportional to 152,957.86, 211,022.90 and 112,767.18 is: 155,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,957.86 : 211,022.90 = 112,767.18 : x
  2. Step 2: Convert to fraction form
    152,957.86/211,022.90 = 112,767.18/x
  3. Step 3: Cross multiply
    152,957.86x = 211,022.90 × 112,767.18
  4. Step 4: Simplify right side
    152,957.86x = 23,796,457,348.42
  5. Step 5: Solve for x
    x = 23,796,457,348.42/152,957.86
  6. Step 6: Final answer
    x = 155,575.25

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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.