Home / 207,916.04-286,924.34-112,422.71

Finding the Fourth Proportional to 207,916.04, 286,924.34 and 112,422.71

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Solution

The fourth proportional to 207,916.04, 286,924.34 and 112,422.71 is: 155,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,916.04 : 286,924.34 = 112,422.71 : x
  2. Step 2: Convert to fraction form
    207,916.04/286,924.34 = 112,422.71/x
  3. Step 3: Cross multiply
    207,916.04x = 286,924.34 × 112,422.71
  4. Step 4: Simplify right side
    207,916.04x = 32,256,811,157.79
  5. Step 5: Solve for x
    x = 32,256,811,157.79/207,916.04
  6. Step 6: Final answer
    x = 155,143.45

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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.