Home / 313,726.72-432,941.52-170,484.16

Finding the Fourth Proportional to 313,726.72, 432,941.52 and 170,484.16

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Solution

The fourth proportional to 313,726.72, 432,941.52 and 170,484.16 is: 235,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,726.72 : 432,941.52 = 170,484.16 : x
  2. Step 2: Convert to fraction form
    313,726.72/432,941.52 = 170,484.16/x
  3. Step 3: Cross multiply
    313,726.72x = 432,941.52 × 170,484.16
  4. Step 4: Simplify right side
    313,726.72x = 73,809,671,366.32
  5. Step 5: Solve for x
    x = 73,809,671,366.32/313,726.72
  6. Step 6: Final answer
    x = 235,267.41

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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.