Home / 314,865.42-434,526.08-178,922.51

Finding the Fourth Proportional to 314,865.42, 434,526.08 and 178,922.51

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Solution

The fourth proportional to 314,865.42, 434,526.08 and 178,922.51 is: 246,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,865.42 : 434,526.08 = 178,922.51 : x
  2. Step 2: Convert to fraction form
    314,865.42/434,526.08 = 178,922.51/x
  3. Step 3: Cross multiply
    314,865.42x = 434,526.08 × 178,922.51
  4. Step 4: Simplify right side
    314,865.42x = 77,746,496,894.06
  5. Step 5: Solve for x
    x = 77,746,496,894.06/314,865.42
  6. Step 6: Final answer
    x = 246,919.77

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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.