Home / 358,147.50-537,036.37-105,395.17

Finding the Fourth Proportional to 358,147.50, 537,036.37 and 105,395.17

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Solution

The fourth proportional to 358,147.50, 537,036.37 and 105,395.17 is: 158,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,147.50 : 537,036.37 = 105,395.17 : x
  2. Step 2: Convert to fraction form
    358,147.50/537,036.37 = 105,395.17/x
  3. Step 3: Cross multiply
    358,147.50x = 537,036.37 × 105,395.17
  4. Step 4: Simplify right side
    358,147.50x = 56,601,036,827.15
  5. Step 5: Solve for x
    x = 56,601,036,827.15/358,147.50
  6. Step 6: Final answer
    x = 158,038.34

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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.