Home / 236,360.01-326,176.28-128,930.04

Finding the Fourth Proportional to 236,360.01, 326,176.28 and 128,930.04

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Solution

The fourth proportional to 236,360.01, 326,176.28 and 128,930.04 is: 177,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,360.01 : 326,176.28 = 128,930.04 : x
  2. Step 2: Convert to fraction form
    236,360.01/326,176.28 = 128,930.04/x
  3. Step 3: Cross multiply
    236,360.01x = 326,176.28 × 128,930.04
  4. Step 4: Simplify right side
    236,360.01x = 42,053,920,827.45
  5. Step 5: Solve for x
    x = 42,053,920,827.45/236,360.01
  6. Step 6: Final answer
    x = 177,923.16

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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.