Home / 130,594.04-195,891.05-86,210.39

Finding the Fourth Proportional to 130,594.04, 195,891.05 and 86,210.39

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Solution

The fourth proportional to 130,594.04, 195,891.05 and 86,210.39 is: 129,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,594.04 : 195,891.05 = 86,210.39 : x
  2. Step 2: Convert to fraction form
    130,594.04/195,891.05 = 86,210.39/x
  3. Step 3: Cross multiply
    130,594.04x = 195,891.05 × 86,210.39
  4. Step 4: Simplify right side
    130,594.04x = 16,887,842,407.50
  5. Step 5: Solve for x
    x = 16,887,842,407.50/130,594.04
  6. Step 6: Final answer
    x = 129,315.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.