Home / 285,210.37-393,776.00-183,275.11

Finding the Fourth Proportional to 285,210.37, 393,776.00 and 183,275.11

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Solution

The fourth proportional to 285,210.37, 393,776.00 and 183,275.11 is: 253,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,210.37 : 393,776.00 = 183,275.11 : x
  2. Step 2: Convert to fraction form
    285,210.37/393,776.00 = 183,275.11/x
  3. Step 3: Cross multiply
    285,210.37x = 393,776.00 × 183,275.11
  4. Step 4: Simplify right side
    285,210.37x = 72,169,338,798.98
  5. Step 5: Solve for x
    x = 72,169,338,798.98/285,210.37
  6. Step 6: Final answer
    x = 253,038.97

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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.