Home / 152,601.18-210,602.13-84,639.54

Finding the Fourth Proportional to 152,601.18, 210,602.13 and 84,639.54

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Solution

The fourth proportional to 152,601.18, 210,602.13 and 84,639.54 is: 116,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,601.18 : 210,602.13 = 84,639.54 : x
  2. Step 2: Convert to fraction form
    152,601.18/210,602.13 = 84,639.54/x
  3. Step 3: Cross multiply
    152,601.18x = 210,602.13 × 84,639.54
  4. Step 4: Simplify right side
    152,601.18x = 17,825,267,406.22
  5. Step 5: Solve for x
    x = 17,825,267,406.22/152,601.18
  6. Step 6: Final answer
    x = 116,809.50

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1.5x scale

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.