Home / 187,877.32-259,265.34-107,303.18

Finding the Fourth Proportional to 187,877.32, 259,265.34 and 107,303.18

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Solution

The fourth proportional to 187,877.32, 259,265.34 and 107,303.18 is: 148,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,877.32 : 259,265.34 = 107,303.18 : x
  2. Step 2: Convert to fraction form
    187,877.32/259,265.34 = 107,303.18/x
  3. Step 3: Cross multiply
    187,877.32x = 259,265.34 × 107,303.18
  4. Step 4: Simplify right side
    187,877.32x = 27,819,995,445.78
  5. Step 5: Solve for x
    x = 27,819,995,445.78/187,877.32
  6. Step 6: Final answer
    x = 148,075.33

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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.