Home / 163,470.17-245,244.78-56,838.74

Finding the Fourth Proportional to 163,470.17, 245,244.78 and 56,838.74

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Solution

The fourth proportional to 163,470.17, 245,244.78 and 56,838.74 is: 85,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,470.17 : 245,244.78 = 56,838.74 : x
  2. Step 2: Convert to fraction form
    163,470.17/245,244.78 = 56,838.74/x
  3. Step 3: Cross multiply
    163,470.17x = 245,244.78 × 56,838.74
  4. Step 4: Simplify right side
    163,470.17x = 13,939,403,060.55
  5. Step 5: Solve for x
    x = 13,939,403,060.55/163,470.17
  6. Step 6: Final answer
    x = 85,271.84

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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.