Home / 228,547.89-315,291.36-148,001.36

Finding the Fourth Proportional to 228,547.89, 315,291.36 and 148,001.36

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Solution

The fourth proportional to 228,547.89, 315,291.36 and 148,001.36 is: 204,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,547.89 : 315,291.36 = 148,001.36 : x
  2. Step 2: Convert to fraction form
    228,547.89/315,291.36 = 148,001.36/x
  3. Step 3: Cross multiply
    228,547.89x = 315,291.36 × 148,001.36
  4. Step 4: Simplify right side
    228,547.89x = 46,663,549,054.80
  5. Step 5: Solve for x
    x = 46,663,549,054.80/228,547.89
  6. Step 6: Final answer
    x = 204,174.05

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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.