Home / 187,915.28-259,322.72-103,032.14

Finding the Fourth Proportional to 187,915.28, 259,322.72 and 103,032.14

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Solution

The fourth proportional to 187,915.28, 259,322.72 and 103,032.14 is: 142,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,915.28 : 259,322.72 = 103,032.14 : x
  2. Step 2: Convert to fraction form
    187,915.28/259,322.72 = 103,032.14/x
  3. Step 3: Cross multiply
    187,915.28x = 259,322.72 × 103,032.14
  4. Step 4: Simplify right side
    187,915.28x = 26,718,574,792.22
  5. Step 5: Solve for x
    x = 26,718,574,792.22/187,915.28
  6. Step 6: Final answer
    x = 142,184.15

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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.