Home / 208,156.23-287,262.59-127,568.21

Finding the Fourth Proportional to 208,156.23, 287,262.59 and 127,568.21

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Solution

The fourth proportional to 208,156.23, 287,262.59 and 127,568.21 is: 176,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,156.23 : 287,262.59 = 127,568.21 : x
  2. Step 2: Convert to fraction form
    208,156.23/287,262.59 = 127,568.21/x
  3. Step 3: Cross multiply
    208,156.23x = 287,262.59 × 127,568.21
  4. Step 4: Simplify right side
    208,156.23x = 36,645,572,332.11
  5. Step 5: Solve for x
    x = 36,645,572,332.11/208,156.23
  6. Step 6: Final answer
    x = 176,048.41

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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.