Home / 180,698.06-249,366.93-105,251.42

Finding the Fourth Proportional to 180,698.06, 249,366.93 and 105,251.42

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Solution

The fourth proportional to 180,698.06, 249,366.93 and 105,251.42 is: 145,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,698.06 : 249,366.93 = 105,251.42 : x
  2. Step 2: Convert to fraction form
    180,698.06/249,366.93 = 105,251.42/x
  3. Step 3: Cross multiply
    180,698.06x = 249,366.93 × 105,251.42
  4. Step 4: Simplify right side
    180,698.06x = 26,246,223,712.27
  5. Step 5: Solve for x
    x = 26,246,223,712.27/180,698.06
  6. Step 6: Final answer
    x = 145,249.06

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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.