Home / 358,429.07-537,515.54-118,498.68

Finding the Fourth Proportional to 358,429.07, 537,515.54 and 118,498.68

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Solution

The fourth proportional to 358,429.07, 537,515.54 and 118,498.68 is: 177,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,429.07 : 537,515.54 = 118,498.68 : x
  2. Step 2: Convert to fraction form
    358,429.07/537,515.54 = 118,498.68/x
  3. Step 3: Cross multiply
    358,429.07x = 537,515.54 × 118,498.68
  4. Step 4: Simplify right side
    358,429.07x = 63,694,881,376.99
  5. Step 5: Solve for x
    x = 63,694,881,376.99/358,429.07
  6. Step 6: Final answer
    x = 177,705.68

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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.