Home / 220,682.34-304,547.55-125,203.38

Finding the Fourth Proportional to 220,682.34, 304,547.55 and 125,203.38

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Solution

The fourth proportional to 220,682.34, 304,547.55 and 125,203.38 is: 172,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,682.34 : 304,547.55 = 125,203.38 : x
  2. Step 2: Convert to fraction form
    220,682.34/304,547.55 = 125,203.38/x
  3. Step 3: Cross multiply
    220,682.34x = 304,547.55 × 125,203.38
  4. Step 4: Simplify right side
    220,682.34x = 38,130,382,630.72
  5. Step 5: Solve for x
    x = 38,130,382,630.72/220,682.34
  6. Step 6: Final answer
    x = 172,784.02

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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.