Home / 142,155.04-196,152.36-94,478.44

Finding the Fourth Proportional to 142,155.04, 196,152.36 and 94,478.44

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Solution

The fourth proportional to 142,155.04, 196,152.36 and 94,478.44 is: 130,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,155.04 : 196,152.36 = 94,478.44 : x
  2. Step 2: Convert to fraction form
    142,155.04/196,152.36 = 94,478.44/x
  3. Step 3: Cross multiply
    142,155.04x = 196,152.36 × 94,478.44
  4. Step 4: Simplify right side
    142,155.04x = 18,532,168,975.12
  5. Step 5: Solve for x
    x = 18,532,168,975.12/142,155.04
  6. Step 6: Final answer
    x = 130,365.89

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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.