Home / 158,927.58-219,315.83-87,307.74

Finding the Fourth Proportional to 158,927.58, 219,315.83 and 87,307.74

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Solution

The fourth proportional to 158,927.58, 219,315.83 and 87,307.74 is: 120,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,927.58 : 219,315.83 = 87,307.74 : x
  2. Step 2: Convert to fraction form
    158,927.58/219,315.83 = 87,307.74/x
  3. Step 3: Cross multiply
    158,927.58x = 219,315.83 × 87,307.74
  4. Step 4: Simplify right side
    158,927.58x = 19,147,969,026.99
  5. Step 5: Solve for x
    x = 19,147,969,026.99/158,927.58
  6. Step 6: Final answer
    x = 120,482.35

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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.