Home / 507,525.13-761,301.02-147,681.45

Finding the Fourth Proportional to 507,525.13, 761,301.02 and 147,681.45

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Solution

The fourth proportional to 507,525.13, 761,301.02 and 147,681.45 is: 221,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,525.13 : 761,301.02 = 147,681.45 : x
  2. Step 2: Convert to fraction form
    507,525.13/761,301.02 = 147,681.45/x
  3. Step 3: Cross multiply
    507,525.13x = 761,301.02 × 147,681.45
  4. Step 4: Simplify right side
    507,525.13x = 112,430,036,108.99
  5. Step 5: Solve for x
    x = 112,430,036,108.99/507,525.13
  6. Step 6: Final answer
    x = 221,526.05

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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.