Home / 113,835.39-156,946.80-93,341.94

Finding the Fourth Proportional to 113,835.39, 156,946.80 and 93,341.94

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Solution

The fourth proportional to 113,835.39, 156,946.80 and 93,341.94 is: 128,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.39 : 156,946.80 = 93,341.94 : x
  2. Step 2: Convert to fraction form
    113,835.39/156,946.80 = 93,341.94/x
  3. Step 3: Cross multiply
    113,835.39x = 156,946.80 × 93,341.94
  4. Step 4: Simplify right side
    113,835.39x = 14,649,718,788.79
  5. Step 5: Solve for x
    x = 14,649,718,788.79/113,835.39
  6. Step 6: Final answer
    x = 128,692.13

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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.