Home / 190,437.48-262,802.88-105,554.34

Finding the Fourth Proportional to 190,437.48, 262,802.88 and 105,554.34

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Solution

The fourth proportional to 190,437.48, 262,802.88 and 105,554.34 is: 145,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,437.48 : 262,802.88 = 105,554.34 : x
  2. Step 2: Convert to fraction form
    190,437.48/262,802.88 = 105,554.34/x
  3. Step 3: Cross multiply
    190,437.48x = 262,802.88 × 105,554.34
  4. Step 4: Simplify right side
    190,437.48x = 27,739,984,548.50
  5. Step 5: Solve for x
    x = 27,739,984,548.50/190,437.48
  6. Step 6: Final answer
    x = 145,664.52

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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.