Home / 238,080.16-328,554.63-130,660.19

Finding the Fourth Proportional to 238,080.16, 328,554.63 and 130,660.19

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Solution

The fourth proportional to 238,080.16, 328,554.63 and 130,660.19 is: 180,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.16 : 328,554.63 = 130,660.19 : x
  2. Step 2: Convert to fraction form
    238,080.16/328,554.63 = 130,660.19/x
  3. Step 3: Cross multiply
    238,080.16x = 328,554.63 × 130,660.19
  4. Step 4: Simplify right side
    238,080.16x = 42,929,009,970.49
  5. Step 5: Solve for x
    x = 42,929,009,970.49/238,080.16
  6. Step 6: Final answer
    x = 180,313.26

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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.