Home / 223,051.04-307,802.08-121,074.30

Finding the Fourth Proportional to 223,051.04, 307,802.08 and 121,074.30

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Solution

The fourth proportional to 223,051.04, 307,802.08 and 121,074.30 is: 167,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,051.04 : 307,802.08 = 121,074.30 : x
  2. Step 2: Convert to fraction form
    223,051.04/307,802.08 = 121,074.30/x
  3. Step 3: Cross multiply
    223,051.04x = 307,802.08 × 121,074.30
  4. Step 4: Simplify right side
    223,051.04x = 37,266,921,525.89
  5. Step 5: Solve for x
    x = 37,266,921,525.89/223,051.04
  6. Step 6: Final answer
    x = 167,078.00

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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.