Home / 118,136.55-163,026.27-64,420.41

Finding the Fourth Proportional to 118,136.55, 163,026.27 and 64,420.41

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Solution

The fourth proportional to 118,136.55, 163,026.27 and 64,420.41 is: 88,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,136.55 : 163,026.27 = 64,420.41 : x
  2. Step 2: Convert to fraction form
    118,136.55/163,026.27 = 64,420.41/x
  3. Step 3: Cross multiply
    118,136.55x = 163,026.27 × 64,420.41
  4. Step 4: Simplify right side
    118,136.55x = 10,502,219,154.17
  5. Step 5: Solve for x
    x = 10,502,219,154.17/118,136.55
  6. Step 6: Final answer
    x = 88,898.98

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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.