Home / 109,386.60-164,009.80-46,189.60

Finding the Fourth Proportional to 109,386.60, 164,009.80 and 46,189.60

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Solution

The fourth proportional to 109,386.60, 164,009.80 and 46,189.60 is: 69,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,386.60 : 164,009.80 = 46,189.60 : x
  2. Step 2: Convert to fraction form
    109,386.60/164,009.80 = 46,189.60/x
  3. Step 3: Cross multiply
    109,386.60x = 164,009.80 × 46,189.60
  4. Step 4: Simplify right side
    109,386.60x = 7,575,547,058.08
  5. Step 5: Solve for x
    x = 7,575,547,058.08/109,386.60
  6. Step 6: Final answer
    x = 69,254.80

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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.