Home / 220,784.40-304,683.93-125,292.69

Finding the Fourth Proportional to 220,784.40, 304,683.93 and 125,292.69

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Solution

The fourth proportional to 220,784.40, 304,683.93 and 125,292.69 is: 172,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,784.40 : 304,683.93 = 125,292.69 : x
  2. Step 2: Convert to fraction form
    220,784.40/304,683.93 = 125,292.69/x
  3. Step 3: Cross multiply
    220,784.40x = 304,683.93 × 125,292.69
  4. Step 4: Simplify right side
    220,784.40x = 38,174,669,189.47
  5. Step 5: Solve for x
    x = 38,174,669,189.47/220,784.40
  6. Step 6: Final answer
    x = 172,904.74

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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.