Home / 145,613.36-200,913.19-81,927.92

Finding the Fourth Proportional to 145,613.36, 200,913.19 and 81,927.92

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Solution

The fourth proportional to 145,613.36, 200,913.19 and 81,927.92 is: 113,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,613.36 : 200,913.19 = 81,927.92 : x
  2. Step 2: Convert to fraction form
    145,613.36/200,913.19 = 81,927.92/x
  3. Step 3: Cross multiply
    145,613.36x = 200,913.19 × 81,927.92
  4. Step 4: Simplify right side
    145,613.36x = 16,460,398,547.88
  5. Step 5: Solve for x
    x = 16,460,398,547.88/145,613.36
  6. Step 6: Final answer
    x = 113,041.82

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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.