Home / 176,097.04-243,011.56-100,643.60

Finding the Fourth Proportional to 176,097.04, 243,011.56 and 100,643.60

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Solution

The fourth proportional to 176,097.04, 243,011.56 and 100,643.60 is: 138,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,097.04 : 243,011.56 = 100,643.60 : x
  2. Step 2: Convert to fraction form
    176,097.04/243,011.56 = 100,643.60/x
  3. Step 3: Cross multiply
    176,097.04x = 243,011.56 × 100,643.60
  4. Step 4: Simplify right side
    176,097.04x = 24,457,558,240.02
  5. Step 5: Solve for x
    x = 24,457,558,240.02/176,097.04
  6. Step 6: Final answer
    x = 138,886.82

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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.