Home / 112,244.48-154,970.26-86,706.40

Finding the Fourth Proportional to 112,244.48, 154,970.26 and 86,706.40

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Solution

The fourth proportional to 112,244.48, 154,970.26 and 86,706.40 is: 119,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,244.48 : 154,970.26 = 86,706.40 : x
  2. Step 2: Convert to fraction form
    112,244.48/154,970.26 = 86,706.40/x
  3. Step 3: Cross multiply
    112,244.48x = 154,970.26 × 86,706.40
  4. Step 4: Simplify right side
    112,244.48x = 13,436,913,351.66
  5. Step 5: Solve for x
    x = 13,436,913,351.66/112,244.48
  6. Step 6: Final answer
    x = 119,711.13

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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.