Home / 128,328.04-192,501.80-34,841.08

Finding the Fourth Proportional to 128,328.04, 192,501.80 and 34,841.08

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Solution

The fourth proportional to 128,328.04, 192,501.80 and 34,841.08 is: 52,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,328.04 : 192,501.80 = 34,841.08 : x
  2. Step 2: Convert to fraction form
    128,328.04/192,501.80 = 34,841.08/x
  3. Step 3: Cross multiply
    128,328.04x = 192,501.80 × 34,841.08
  4. Step 4: Simplify right side
    128,328.04x = 6,706,970,613.94
  5. Step 5: Solve for x
    x = 6,706,970,613.94/128,328.04
  6. Step 6: Final answer
    x = 52,264.26

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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.