Home / 118,345.60-163,298.88-70,599.04

Finding the Fourth Proportional to 118,345.60, 163,298.88 and 70,599.04

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Solution

The fourth proportional to 118,345.60, 163,298.88 and 70,599.04 is: 97,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,345.60 : 163,298.88 = 70,599.04 : x
  2. Step 2: Convert to fraction form
    118,345.60/163,298.88 = 70,599.04/x
  3. Step 3: Cross multiply
    118,345.60x = 163,298.88 × 70,599.04
  4. Step 4: Simplify right side
    118,345.60x = 11,528,744,161.08
  5. Step 5: Solve for x
    x = 11,528,744,161.08/118,345.60
  6. Step 6: Final answer
    x = 97,415.91

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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.