Home / 118,203.84-163,142.40-70,460.24

Finding the Fourth Proportional to 118,203.84, 163,142.40 and 70,460.24

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Solution

The fourth proportional to 118,203.84, 163,142.40 and 70,460.24 is: 97,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,203.84 : 163,142.40 = 70,460.24 : x
  2. Step 2: Convert to fraction form
    118,203.84/163,142.40 = 70,460.24/x
  3. Step 3: Cross multiply
    118,203.84x = 163,142.40 × 70,460.24
  4. Step 4: Simplify right side
    118,203.84x = 11,495,052,658.18
  5. Step 5: Solve for x
    x = 11,495,052,658.18/118,203.84
  6. Step 6: Final answer
    x = 97,247.71

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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.