Home / 155,457.99-233,184.37-70,021.32

Finding the Fourth Proportional to 155,457.99, 233,184.37 and 70,021.32

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Solution

The fourth proportional to 155,457.99, 233,184.37 and 70,021.32 is: 105,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,457.99 : 233,184.37 = 70,021.32 : x
  2. Step 2: Convert to fraction form
    155,457.99/233,184.37 = 70,021.32/x
  3. Step 3: Cross multiply
    155,457.99x = 233,184.37 × 70,021.32
  4. Step 4: Simplify right side
    155,457.99x = 16,327,877,215.72
  5. Step 5: Solve for x
    x = 16,327,877,215.72/155,457.99
  6. Step 6: Final answer
    x = 105,030.80

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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.