Home / 369,210.92-509,526.06-208,072.76

Finding the Fourth Proportional to 369,210.92, 509,526.06 and 208,072.76

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Solution

The fourth proportional to 369,210.92, 509,526.06 and 208,072.76 is: 287,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,210.92 : 509,526.06 = 208,072.76 : x
  2. Step 2: Convert to fraction form
    369,210.92/509,526.06 = 208,072.76/x
  3. Step 3: Cross multiply
    369,210.92x = 509,526.06 × 208,072.76
  4. Step 4: Simplify right side
    369,210.92x = 106,018,493,596.13
  5. Step 5: Solve for x
    x = 106,018,493,596.13/369,210.92
  6. Step 6: Final answer
    x = 287,148.86

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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.