Home / 277,075.89-382,357.09-156,216.13

Finding the Fourth Proportional to 277,075.89, 382,357.09 and 156,216.13

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Solution

The fourth proportional to 277,075.89, 382,357.09 and 156,216.13 is: 215,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,075.89 : 382,357.09 = 156,216.13 : x
  2. Step 2: Convert to fraction form
    277,075.89/382,357.09 = 156,216.13/x
  3. Step 3: Cross multiply
    277,075.89x = 382,357.09 × 156,216.13
  4. Step 4: Simplify right side
    277,075.89x = 59,730,344,117.24
  5. Step 5: Solve for x
    x = 59,730,344,117.24/277,075.89
  6. Step 6: Final answer
    x = 215,573.95

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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.