Home / 319,587.42-441,017.75-176,345.60

Finding the Fourth Proportional to 319,587.42, 441,017.75 and 176,345.60

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Solution

The fourth proportional to 319,587.42, 441,017.75 and 176,345.60 is: 243,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,587.42 : 441,017.75 = 176,345.60 : x
  2. Step 2: Convert to fraction form
    319,587.42/441,017.75 = 176,345.60/x
  3. Step 3: Cross multiply
    319,587.42x = 441,017.75 × 176,345.60
  4. Step 4: Simplify right side
    319,587.42x = 77,771,538,852.67
  5. Step 5: Solve for x
    x = 77,771,538,852.67/319,587.42
  6. Step 6: Final answer
    x = 243,349.81

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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.