Home / 178,009.04-245,713.80-102,587.60

Finding the Fourth Proportional to 178,009.04, 245,713.80 and 102,587.60

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Solution

The fourth proportional to 178,009.04, 245,713.80 and 102,587.60 is: 141,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,009.04 : 245,713.80 = 102,587.60 : x
  2. Step 2: Convert to fraction form
    178,009.04/245,713.80 = 102,587.60/x
  3. Step 3: Cross multiply
    178,009.04x = 245,713.80 × 102,587.60
  4. Step 4: Simplify right side
    178,009.04x = 25,207,189,028.88
  5. Step 5: Solve for x
    x = 25,207,189,028.88/178,009.04
  6. Step 6: Final answer
    x = 141,606.23

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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.