Home / 117,031.40-175,547.10-72,794.60

Finding the Fourth Proportional to 117,031.40, 175,547.10 and 72,794.60

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Solution

The fourth proportional to 117,031.40, 175,547.10 and 72,794.60 is: 109,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,031.40 : 175,547.10 = 72,794.60 : x
  2. Step 2: Convert to fraction form
    117,031.40/175,547.10 = 72,794.60/x
  3. Step 3: Cross multiply
    117,031.40x = 175,547.10 × 72,794.60
  4. Step 4: Simplify right side
    117,031.40x = 12,778,880,925.66
  5. Step 5: Solve for x
    x = 12,778,880,925.66/117,031.40
  6. Step 6: Final answer
    x = 109,191.90

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1.5x scale

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.