Home / 109,411.90-164,117.85-93,009.40

Finding the Fourth Proportional to 109,411.90, 164,117.85 and 93,009.40

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Solution

The fourth proportional to 109,411.90, 164,117.85 and 93,009.40 is: 139,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.90 : 164,117.85 = 93,009.40 : x
  2. Step 2: Convert to fraction form
    109,411.90/164,117.85 = 93,009.40/x
  3. Step 3: Cross multiply
    109,411.90x = 164,117.85 × 93,009.40
  4. Step 4: Simplify right side
    109,411.90x = 15,264,502,757.79
  5. Step 5: Solve for x
    x = 15,264,502,757.79/109,411.90
  6. Step 6: Final answer
    x = 139,514.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.