Home / 185,445.11-255,804.59-118,377.11

Finding the Fourth Proportional to 185,445.11, 255,804.59 and 118,377.11

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Solution

The fourth proportional to 185,445.11, 255,804.59 and 118,377.11 is: 163,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,445.11 : 255,804.59 = 118,377.11 : x
  2. Step 2: Convert to fraction form
    185,445.11/255,804.59 = 118,377.11/x
  3. Step 3: Cross multiply
    185,445.11x = 255,804.59 × 118,377.11
  4. Step 4: Simplify right side
    185,445.11x = 30,281,409,024.39
  5. Step 5: Solve for x
    x = 30,281,409,024.39/185,445.11
  6. Step 6: Final answer
    x = 163,290.41

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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.