Home / 205,037.32-282,951.54-115,613.32

Finding the Fourth Proportional to 205,037.32, 282,951.54 and 115,613.32

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Solution

The fourth proportional to 205,037.32, 282,951.54 and 115,613.32 is: 159,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,037.32 : 282,951.54 = 115,613.32 : x
  2. Step 2: Convert to fraction form
    205,037.32/282,951.54 = 115,613.32/x
  3. Step 3: Cross multiply
    205,037.32x = 282,951.54 × 115,613.32
  4. Step 4: Simplify right side
    205,037.32x = 32,712,966,938.51
  5. Step 5: Solve for x
    x = 32,712,966,938.51/205,037.32
  6. Step 6: Final answer
    x = 159,546.40

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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.