Home / 238,074.09-328,549.05-130,651.22

Finding the Fourth Proportional to 238,074.09, 328,549.05 and 130,651.22

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Solution

The fourth proportional to 238,074.09, 328,549.05 and 130,651.22 is: 180,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,074.09 : 328,549.05 = 130,651.22 : x
  2. Step 2: Convert to fraction form
    238,074.09/328,549.05 = 130,651.22/x
  3. Step 3: Cross multiply
    238,074.09x = 328,549.05 × 130,651.22
  4. Step 4: Simplify right side
    238,074.09x = 42,925,334,212.34
  5. Step 5: Solve for x
    x = 42,925,334,212.34/238,074.09
  6. Step 6: Final answer
    x = 180,302.42

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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.