Home / 434,039.60-651,156.60-167,776.40

Finding the Fourth Proportional to 434,039.60, 651,156.60 and 167,776.40

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Solution

The fourth proportional to 434,039.60, 651,156.60 and 167,776.40 is: 251,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,039.60 : 651,156.60 = 167,776.40 : x
  2. Step 2: Convert to fraction form
    434,039.60/651,156.60 = 167,776.40/x
  3. Step 3: Cross multiply
    434,039.60x = 651,156.60 × 167,776.40
  4. Step 4: Simplify right side
    434,039.60x = 109,248,710,184.24
  5. Step 5: Solve for x
    x = 109,248,710,184.24/434,039.60
  6. Step 6: Final answer
    x = 251,702.17

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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.