Home / 207,923.80-286,934.64-112,430.27

Finding the Fourth Proportional to 207,923.80, 286,934.64 and 112,430.27

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Solution

The fourth proportional to 207,923.80, 286,934.64 and 112,430.27 is: 155,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.80 : 286,934.64 = 112,430.27 : x
  2. Step 2: Convert to fraction form
    207,923.80/286,934.64 = 112,430.27/x
  3. Step 3: Cross multiply
    207,923.80x = 286,934.64 × 112,430.27
  4. Step 4: Simplify right side
    207,923.80x = 32,260,139,047.55
  5. Step 5: Solve for x
    x = 32,260,139,047.55/207,923.80
  6. Step 6: Final answer
    x = 155,153.66

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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.