Home / 208,152.24-287,228.01-117,502.47

Finding the Fourth Proportional to 208,152.24, 287,228.01 and 117,502.47

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Solution

The fourth proportional to 208,152.24, 287,228.01 and 117,502.47 is: 162,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,152.24 : 287,228.01 = 117,502.47 : x
  2. Step 2: Convert to fraction form
    208,152.24/287,228.01 = 117,502.47/x
  3. Step 3: Cross multiply
    208,152.24x = 287,228.01 × 117,502.47
  4. Step 4: Simplify right side
    208,152.24x = 33,750,000,628.18
  5. Step 5: Solve for x
    x = 33,750,000,628.18/208,152.24
  6. Step 6: Final answer
    x = 162,140.94

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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.