Home / 236,730.04-326,685.76-129,300.08

Finding the Fourth Proportional to 236,730.04, 326,685.76 and 129,300.08

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Solution

The fourth proportional to 236,730.04, 326,685.76 and 129,300.08 is: 178,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,730.04 : 326,685.76 = 129,300.08 : x
  2. Step 2: Convert to fraction form
    236,730.04/326,685.76 = 129,300.08/x
  3. Step 3: Cross multiply
    236,730.04x = 326,685.76 × 129,300.08
  4. Step 4: Simplify right side
    236,730.04x = 42,240,494,902.86
  5. Step 5: Solve for x
    x = 42,240,494,902.86/236,730.04
  6. Step 6: Final answer
    x = 178,433.18

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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.