Home / 119,430.02-164,809.23-65,714.60

Finding the Fourth Proportional to 119,430.02, 164,809.23 and 65,714.60

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Solution

The fourth proportional to 119,430.02, 164,809.23 and 65,714.60 is: 90,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,430.02 : 164,809.23 = 65,714.60 : x
  2. Step 2: Convert to fraction form
    119,430.02/164,809.23 = 65,714.60/x
  3. Step 3: Cross multiply
    119,430.02x = 164,809.23 × 65,714.60
  4. Step 4: Simplify right side
    119,430.02x = 10,830,372,625.76
  5. Step 5: Solve for x
    x = 10,830,372,625.76/119,430.02
  6. Step 6: Final answer
    x = 90,683.84

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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.