Home / 180,764.91-249,426.27-112,771.08

Finding the Fourth Proportional to 180,764.91, 249,426.27 and 112,771.08

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Solution

The fourth proportional to 180,764.91, 249,426.27 and 112,771.08 is: 155,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,764.91 : 249,426.27 = 112,771.08 : x
  2. Step 2: Convert to fraction form
    180,764.91/249,426.27 = 112,771.08/x
  3. Step 3: Cross multiply
    180,764.91x = 249,426.27 × 112,771.08
  4. Step 4: Simplify right side
    180,764.91x = 28,128,069,848.27
  5. Step 5: Solve for x
    x = 28,128,069,848.27/180,764.91
  6. Step 6: Final answer
    x = 155,605.81

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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.