Home / 370,864.72-556,157.40-134,148.88

Finding the Fourth Proportional to 370,864.72, 556,157.40 and 134,148.88

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Solution

The fourth proportional to 370,864.72, 556,157.40 and 134,148.88 is: 201,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,864.72 : 556,157.40 = 134,148.88 : x
  2. Step 2: Convert to fraction form
    370,864.72/556,157.40 = 134,148.88/x
  3. Step 3: Cross multiply
    370,864.72x = 556,157.40 × 134,148.88
  4. Step 4: Simplify right side
    370,864.72x = 74,607,892,313.71
  5. Step 5: Solve for x
    x = 74,607,892,313.71/370,864.72
  6. Step 6: Final answer
    x = 201,172.80

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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.