Home / 163,916.70-245,875.05-101,708.70

Finding the Fourth Proportional to 163,916.70, 245,875.05 and 101,708.70

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Solution

The fourth proportional to 163,916.70, 245,875.05 and 101,708.70 is: 152,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,916.70 : 245,875.05 = 101,708.70 : x
  2. Step 2: Convert to fraction form
    163,916.70/245,875.05 = 101,708.70/x
  3. Step 3: Cross multiply
    163,916.70x = 245,875.05 × 101,708.70
  4. Step 4: Simplify right side
    163,916.70x = 25,007,631,697.94
  5. Step 5: Solve for x
    x = 25,007,631,697.94/163,916.70
  6. Step 6: Final answer
    x = 152,563.05

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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.