Home / 219,564.05-302,963.94-127,703.66

Finding the Fourth Proportional to 219,564.05, 302,963.94 and 127,703.66

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Solution

The fourth proportional to 219,564.05, 302,963.94 and 127,703.66 is: 176,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,564.05 : 302,963.94 = 127,703.66 : x
  2. Step 2: Convert to fraction form
    219,564.05/302,963.94 = 127,703.66/x
  3. Step 3: Cross multiply
    219,564.05x = 302,963.94 × 127,703.66
  4. Step 4: Simplify right side
    219,564.05x = 38,689,602,471.20
  5. Step 5: Solve for x
    x = 38,689,602,471.20/219,564.05
  6. Step 6: Final answer
    x = 176,211.01

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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.