Home / 152,824.64-210,898.85-84,840.53

Finding the Fourth Proportional to 152,824.64, 210,898.85 and 84,840.53

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Solution

The fourth proportional to 152,824.64, 210,898.85 and 84,840.53 is: 117,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,824.64 : 210,898.85 = 84,840.53 : x
  2. Step 2: Convert to fraction form
    152,824.64/210,898.85 = 84,840.53/x
  3. Step 3: Cross multiply
    152,824.64x = 210,898.85 × 84,840.53
  4. Step 4: Simplify right side
    152,824.64x = 17,892,768,731.69
  5. Step 5: Solve for x
    x = 17,892,768,731.69/152,824.64
  6. Step 6: Final answer
    x = 117,080.40

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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.