Home / 285,280.40-393,590.04-164,417.84

Finding the Fourth Proportional to 285,280.40, 393,590.04 and 164,417.84

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Solution

The fourth proportional to 285,280.40, 393,590.04 and 164,417.84 is: 226,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,280.40 : 393,590.04 = 164,417.84 : x
  2. Step 2: Convert to fraction form
    285,280.40/393,590.04 = 164,417.84/x
  3. Step 3: Cross multiply
    285,280.40x = 393,590.04 × 164,417.84
  4. Step 4: Simplify right side
    285,280.40x = 64,713,224,222.31
  5. Step 5: Solve for x
    x = 64,713,224,222.31/285,280.40
  6. Step 6: Final answer
    x = 226,840.77

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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.