Home / 220,877.29-304,802.57-134,980.04

Finding the Fourth Proportional to 220,877.29, 304,802.57 and 134,980.04

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Solution

The fourth proportional to 220,877.29, 304,802.57 and 134,980.04 is: 186,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,877.29 : 304,802.57 = 134,980.04 : x
  2. Step 2: Convert to fraction form
    220,877.29/304,802.57 = 134,980.04/x
  3. Step 3: Cross multiply
    220,877.29x = 304,802.57 × 134,980.04
  4. Step 4: Simplify right side
    220,877.29x = 41,142,263,090.70
  5. Step 5: Solve for x
    x = 41,142,263,090.70/220,877.29
  6. Step 6: Final answer
    x = 186,267.52

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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.