Home / 127,519.04-175,975.76-70,930.40

Finding the Fourth Proportional to 127,519.04, 175,975.76 and 70,930.40

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Solution

The fourth proportional to 127,519.04, 175,975.76 and 70,930.40 is: 97,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,519.04 : 175,975.76 = 70,930.40 : x
  2. Step 2: Convert to fraction form
    127,519.04/175,975.76 = 70,930.40/x
  3. Step 3: Cross multiply
    127,519.04x = 175,975.76 × 70,930.40
  4. Step 4: Simplify right side
    127,519.04x = 12,482,031,047.10
  5. Step 5: Solve for x
    x = 12,482,031,047.10/127,519.04
  6. Step 6: Final answer
    x = 97,883.67

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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.