Home / 141,392.24-212,088.40-66,457.36

Finding the Fourth Proportional to 141,392.24, 212,088.40 and 66,457.36

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Solution

The fourth proportional to 141,392.24, 212,088.40 and 66,457.36 is: 99,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,392.24 : 212,088.40 = 66,457.36 : x
  2. Step 2: Convert to fraction form
    141,392.24/212,088.40 = 66,457.36/x
  3. Step 3: Cross multiply
    141,392.24x = 212,088.40 × 66,457.36
  4. Step 4: Simplify right side
    141,392.24x = 14,094,835,150.62
  5. Step 5: Solve for x
    x = 14,094,835,150.62/141,392.24
  6. Step 6: Final answer
    x = 99,686.06

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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.