Home / 207,923.55-286,934.30-112,430.02

Finding the Fourth Proportional to 207,923.55, 286,934.30 and 112,430.02

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Solution

The fourth proportional to 207,923.55, 286,934.30 and 112,430.02 is: 155,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.55 : 286,934.30 = 112,430.02 : x
  2. Step 2: Convert to fraction form
    207,923.55/286,934.30 = 112,430.02/x
  3. Step 3: Cross multiply
    207,923.55x = 286,934.30 × 112,430.02
  4. Step 4: Simplify right side
    207,923.55x = 32,260,027,808.20
  5. Step 5: Solve for x
    x = 32,260,027,808.20/207,923.55
  6. Step 6: Final answer
    x = 155,153.31

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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.