Home / 191,627.37-287,695.40-163,726.72

Finding the Fourth Proportional to 191,627.37, 287,695.40 and 163,726.72

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Solution

The fourth proportional to 191,627.37, 287,695.40 and 163,726.72 is: 245,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,627.37 : 287,695.40 = 163,726.72 : x
  2. Step 2: Convert to fraction form
    191,627.37/287,695.40 = 163,726.72/x
  3. Step 3: Cross multiply
    191,627.37x = 287,695.40 × 163,726.72
  4. Step 4: Simplify right side
    191,627.37x = 47,103,422,663.22
  5. Step 5: Solve for x
    x = 47,103,422,663.22/191,627.37
  6. Step 6: Final answer
    x = 245,807.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.