Home / 183,078.86-252,547.34-128,714.22

Finding the Fourth Proportional to 183,078.86, 252,547.34 and 128,714.22

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Solution

The fourth proportional to 183,078.86, 252,547.34 and 128,714.22 is: 177,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,078.86 : 252,547.34 = 128,714.22 : x
  2. Step 2: Convert to fraction form
    183,078.86/252,547.34 = 128,714.22/x
  3. Step 3: Cross multiply
    183,078.86x = 252,547.34 × 128,714.22
  4. Step 4: Simplify right side
    183,078.86x = 32,506,433,237.60
  5. Step 5: Solve for x
    x = 32,506,433,237.60/183,078.86
  6. Step 6: Final answer
    x = 177,554.27

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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.