Home / 156,895.92-216,547.88-93,221.48

Finding the Fourth Proportional to 156,895.92, 216,547.88 and 93,221.48

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Solution

The fourth proportional to 156,895.92, 216,547.88 and 93,221.48 is: 128,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,895.92 : 216,547.88 = 93,221.48 : x
  2. Step 2: Convert to fraction form
    156,895.92/216,547.88 = 93,221.48/x
  3. Step 3: Cross multiply
    156,895.92x = 216,547.88 × 93,221.48
  4. Step 4: Simplify right side
    156,895.92x = 20,186,913,864.46
  5. Step 5: Solve for x
    x = 20,186,913,864.46/156,895.92
  6. Step 6: Final answer
    x = 128,664.36

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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.